<!DOCTYPE html>
<html>
<table border="1">
	<tr>
		<th rowspan="2">值班人员</th>
		<th>星期一</th>
		<th>星期二</th>
		<th>星期三</th>
	</tr>
	<tr>
		<td>李强</td>
		<td>张明</td>
		<td>王平</td>
	</tr>
</table>
</html>